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Uninterruptable Power Supplies (UPS) ensure continuity of supply by converting the DC voltage from a battery or battery bank to an AC voltage with the requested amplitude and frequency in case of power outages.

Depending on application requirements, a UPS can be built with a simple off-line configuration or with a double conversion online method for high-end, medium- or high-power UPSs as this also improves the quality of the power supplied to sensitive loads including computers, servers, equipment used industrial processes, instrumentation and telecommunication equipment.

We offer high-performance discrete devices including high- and low-voltage power MOSFETs, IGBTs, thyristors and silicon-carbide (SiC) diodes and power MOSFETs as well as galvanically-isolated and high-voltage gate drivers, power factor correction (PFC) controllers and high-performance STM32 microcontrollers to enable high-efficiency, high-reliability UPS designs.

Part Number
Description
STEVAL-EFUSE01 Evaluation board based on the STEF01 fully programmable universal electronic fuse Quick view

Key Features

  • Input voltage from 8 to 48 V
  • Peak output current up to 6 A
  • Enable/Disable/Fault flag pin
  • Adjustable undervoltage lockout
  • Adjustable output voltage clamp
  • Programmable VOUT slew rate control
  • Latch or auto-retry jumper-programmable thermal protection
  • Power good monitoring flag
  • Drives an optional external reverse current protection MOSFET
  • CE certified
  • RoHS and China RoHS compliant
  • WEEE compliant (2012/19/UE RAEE II)

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FEATURED RESOURCES

Schematics BOM Gerber
STEVAL-DPSTPFC1 3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V Quick view

Key Features

  • 97.5 % efficiency at full load
  • Max. 5 % THD at 10 % of full load
  • Compact PFC converter
  • Higher switching lifetime
  • Compliant with EMI norms at 4kV
  • RoHS compliant
  • WEEE compliant

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IMAGE

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Part Number
STEVAL-EFUSE01

Evaluation board based on the STEF01 fully programmable universal electronic fuse

Key Features

  • Input voltage from 8 to 48 V
  • Peak output current up to 6 A
  • Enable/Disable/Fault flag pin
  • Adjustable undervoltage lockout
  • Adjustable output voltage clamp
  • Programmable VOUT slew rate control
  • Latch or auto-retry jumper-programmable thermal protection
  • Power good monitoring flag
  • Drives an optional external reverse current protection MOSFET
  • CE certified
  • RoHS and China RoHS compliant
  • WEEE compliant (2012/19/UE RAEE II)

Show More

IMAGE

Image
Image

FEATURED RESOURCES

Schematics BOM Gerber
STEVAL-DPSTPFC1

3.6 kW PFC totem pole with inrush current limiter reference design using TN3050H-12WY and SCTW35N65G2V

Key Features

  • 97.5 % efficiency at full load
  • Max. 5 % THD at 10 % of full load
  • Compact PFC converter
  • Higher switching lifetime
  • Compliant with EMI norms at 4kV
  • RoHS compliant
  • WEEE compliant

Show More

IMAGE

Image
Image
00 Files selected for download

Technical Documentation

    • Description Version Size Action
      AN1768
      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES
      1.1
      46.82 KB
      PDF
      AN2025
      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION
      1.1
      147.59 KB
      PDF
      AN604
      Calculation of conduction losses in a power rectifier
      3.2
      137.74 KB
      PDF
      AN4021
      Calculation of reverse losses in a power diode
      1.0
      120.47 KB
      PDF
      AN5028
      Calculation of turn-off power losses generated by a ultrafast diode
      1.0
      1.68 MB
      PDF
      AN4381
      Current sharing in parallel diodes
      1.0
      449.12 KB
      PDF
      AN1453
      NEW FAMILY OF 150V POWER SCHOTTKY
      1.1
      131.48 KB
      PDF
      AN5046
      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages
      4.0
      4.82 MB
      PDF
      AN5088
      Rectifiers thermal management, handling and mounting recommendations
      2.0
      2.32 MB
      PDF
      AN533
      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting
      3.6
      217.19 KB
      PDF
      AN443
      SERIES OPERATION ON FAST RECTIFIERS
      2.1
      202.48 KB
      PDF
      AN4390
      ST’s MOSFET technologies for uninterruptible power supplies
      1.1
      1.22 MB
      PDF
      AN1542
      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION
      1.1
      57.47 KB
      PDF
      AN869
      Tj max limit of Schottky diodes
      2.2
      60.9 KB
      PDF
      AN1768

      ADMISSIBLE AVALANCHE POWER OF SCHOTTKY DIODES

      AN2025

      CONVERTER IMPROVEMENT USING SCHOTTKY RECTIFIER AVALANCHE SPECIFICATION

      AN604

      Calculation of conduction losses in a power rectifier

      AN4021

      Calculation of reverse losses in a power diode

      AN5028

      Calculation of turn-off power losses generated by a ultrafast diode

      AN4381

      Current sharing in parallel diodes

      AN1453

      NEW FAMILY OF 150V POWER SCHOTTKY

      AN5046

      Printed circuit board assembly recommendations for STMicroelectronics PowerFLAT packages

      AN5088

      Rectifiers thermal management, handling and mounting recommendations

      AN533

      SCRs, TRIACs, and AC switches, thermal management precautions for handling and mounting

      AN443

      SERIES OPERATION ON FAST RECTIFIERS

      AN4390

      ST’s MOSFET technologies for uninterruptible power supplies

      AN1542

      THE THERMAL RUNAWAY LAW IN SCHOTTKY USED IN OR-ING APPLICATION

      AN869

      Tj max limit of Schottky diodes

Publications and Collaterals

    • Description Version Size Action
      STEVAL-IPFC01V1 3 kW three-channel interleaved PFC 1.0
      693.89 KB
      PDF

      STEVAL-IPFC01V1 3 kW three-channel interleaved PFC

Development Tools

    • Part Number

      Diode product finder application for Android and iOS

      Linear and switching voltage regulators and voltage reference applications for smartphones and tablets

eDesignSuite

Converter

Input

V This option is required. And must be less than or equal to Volt. Max [V]
V This option is required. And must be greater than or equal to Volt. Min [V]

Output Power

V This option is required and must be a number.
A This option is required and must be a number.